18428342

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{439}}^1$

素因数の和:731

約数の個数: 16

約数和(自身を含む): 28089600

約数和(自身を除く): 9661258

約数列:

[1, 2, 139, 151, 278, 302, 439, 878, 20989, 41978, 61021, 66289, 122042, 132578, 9214171, 18428342]

約数ペア:

[(1, 18428342), (2, 9214171), (139, 132578), (151, 122042), (278, 66289), (302, 61021), (439, 41978), (878, 20989)]